"Michael S. Tsirkin" <[email protected]> writes: > On Thu, Nov 29, 2012 at 06:34:46PM +0530, Amit Shah wrote: >> On (Wed) 28 Nov 2012 [23:53:08], Michael S. Tsirkin wrote: >> > On Tue, Nov 27, 2012 at 06:25:04PM +0200, Michael S. Tsirkin wrote: >> > > On Thu, Nov 01, 2012 at 06:07:21PM +0200, Michael S. Tsirkin wrote: >> > > > Commit 0d8d7690850eb0cf2b2b60933cf47669a6b6f18f introduced >> > > > a regression in virtio-net performance because it looks >> > > > into the ring aggressively while we really only care >> > > > about a single packet worth of buffers. >> > > > To fix, add parameters limiting lookahead, and >> > > > use in virtqueue_avail_bytes. >> > > > >> > > > Signed-off-by: Michael S. Tsirkin <[email protected]> >> > > > Reported-by: Edivaldo de Araujo Pereira <[email protected]> >> > > >> > > Ping. >> > > Anthony - going to apply this? >> > >> > virtio rng was added since so naturally build broke. >> > Here's a patch on top to fix it up. I never used virtio rng before so >> > could not test at this hour, but it does fix the build. >> > >> > I'll take a look at how to test it tomorrow but any >> > info would be appreciated. >> > Amit could you pls review? >> >> Looks fine, I assume you will send a v2 of the patch to Anthony? >> >> Amit > > > Anthony volunteered to test this so there will only be v2 if he sees > problems.
I need a Signed-off-by so why don't you just go ahead and send a v2 and I'll test that. Regards, Anthony Liguori
